Anisotropic XY antiferromagnets in a field
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- Selke, W. & Wessel, S. Eur. Phys. J. Spec. Top. (2017) 226: 779. doi:10.1140/epjst/e2016-60235-9
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Classical anisotropic XY antiferromagnets in a field on square and simple cubic lattices are studied using mainly Monte Carlo simulations. While in two dimensions the ordered antiferromagnetic and spin-flop phases are observed to be separated by a narrow disordered phase, a line of direct transitions of first order between the two phases and a bicritical point are found in three dimensions. Results are compared to previous findings.